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Finding the Fourth Proportional to 60,993.72, 91,420.37 and 23,537.22

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Solution

The fourth proportional to 60,993.72, 91,420.37 and 23,537.22 is: 35,278.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,993.72 : 91,420.37 = 23,537.22 : x
  2. Step 2: Convert to fraction form
    60,993.72/91,420.37 = 23,537.22/x
  3. Step 3: Cross multiply
    60,993.72x = 91,420.37 × 23,537.22
  4. Step 4: Simplify right side
    60,993.72x = 2,151,781,361.17
  5. Step 5: Solve for x
    x = 2,151,781,361.17/60,993.72
  6. Step 6: Final answer
    x = 35,278.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.